/// <summary>
/// Logic after click button (search invert matrix)
/// </summary>
private void ButtonBase_OnClick(object sender, RoutedEventArgs e)
{
ClearGrid(resultGrid);
if (infofile.Text == "File does not upload")
{
ReadMatrixFromContGrid();
}
if (matrix != null)
{
double[,] copyMatrix = MatrixOp.CopyMatrix(matrix);
if (Determinate.IsZero(copyMatrix))
{
MessageBox.Show("Determinate is zero");
return;
}
}
else
{
return;
}
inversionMatrix = new double[matrix.GetLength(0), matrix.GetLength(0)];
if (Methods.SelectedIndex == 0)
{
inversionMatrix = InversionEdging.Inversion(matrix);
}
else if (Methods.SelectedIndex == 1)
{
inversionMatrix = InversionLU.Inversion(matrix);
if (inversionMatrix == null)
{
MessageBox.Show("Try another method", "Matrix not decomposition method LU");
return;
}
}
else if (Methods.SelectedIndex == 2)
{
inversionMatrix = InversionLU.Inversion(matrix);
if (inversionMatrix == null)
{
inversionMatrix = InversionLUP.Inversion(matrix);
}
}
if (inversionMatrix != null && inversionMatrix.GetLength(0) <= 10)
{
InitGridValue(resultGrid, inversionMatrix);
ResultMatrix.Text = "Result Matrix";
}
else if (inversionMatrix != null && inversionMatrix.GetLength(0) > 10)
{
SaveOnExecuted(null, null);
}
infofile.Text = "File does not upload";
infofile.Foreground = Brushes.Red;
if (inversionMatrix != null)
{
inforesult.Text = "Successfully";
inforesult.Foreground =
new SolidColorBrush(Color.FromRgb((byte)r.Next(1, 255), (byte)r.Next(1, 255), (byte)r.Next(1, 233)));
MessageBox.Show("Successfully");
}
}
/// <summary>
/// Inversion matrix method LUP
/// </summary>
public static double[,] Inversion(double[,] matrix)
{
double[,] P = GetMatrixPermutation(matrix);
(double[,] L, double[,] U) = InversionLU.Decomposition(MatrixOp.Multiply(P, matrix));
return(InversionLU.DecisionSystem(matrix, P, L, U));
}